37 	unsigned char c1, c2;  in strnicmp()  local
39 	c1 = c2 = 0;  in strnicmp()
43 			c2 = *s2;  in strnicmp()
48 			if (!c2)  in strnicmp()
50 			if (c1 == c2)  in strnicmp()
53 			c2 = tolower(c2);  in strnicmp()
54 			if (c1 != c2)  in strnicmp()
58 	return (int)c1 - (int)c2;  in strnicmp()
66 	int c1, c2;  in strcasecmp()  local
70 		c2 = tolower(*s2++);  in strcasecmp()
71 	} while (c1 == c2 && c1 != 0);  in strcasecmp()
72 	return c1 - c2;  in strcasecmp()
80 	int c1, c2;  in strncasecmp()  local
84 		c2 = tolower(*s2++);  in strncasecmp()
85 	} while ((--n > 0) && c1 == c2 && c1 != 0);  in strncasecmp()
86 	return c1 - c2;  in strncasecmp()